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Keys & Types of Keys in Database - Super, Candidate, Primary, Foreign etc 27 Jun 2013 | 03:18 pm
A key is an attribute or a set of attributes in a relation that identifies a tuple in a relation. The keys are defined in a table to access or sequence the stored data quickly and smoothly. They are a...
Anomalies - Definition, Types of Anamolies & Examples 20 Jun 2013 | 12:39 pm
Anomalies: Anomalies are problems that can occur in poorly planned, un-normalized databases where all the data is stored in one table (a flat-file database).
Normalization & Different Normal Forms (NF) 19 Jun 2013 | 11:51 am
Normalization is the process of splitting a relation (table) into sub relations or sub tables. Normalization is used to avoid or eliminate the three types of anomalies (insertion, deletion and update ...
Algorithms | Definiton And Types of Algorithms 10 Jun 2013 | 12:48 am
Algorithm can be defined as: An algorithm is any well defined computational procedure that takes some value, or a set of values, as input and produces some value, or a set of values, as output. An alg...
Stack - Definition, Insertion, Deletion Operations on Stack 29 May 2013 | 11:46 am
Stack is a linear list of elements in which the insertion and deletion is done by using only one end of the stack. The end at which the insertion and deletion takes place is called as the top of the s...
While Loop & Do-While Loop - Definition & Syntax 27 May 2013 | 10:00 am
While loop is a conditional loop which execute set of instructions repeatedly until specific condition remains true. The general syntax of while loop is
Array & Types of Array - One Dimensional, Two Dimensional Array 27 May 2013 | 09:39 am
An array is the combination of homogenous elements with consecutive index numbers and successive memory locations. The values of an array are called elements of that array. Microprocessor takes time t...
Input & Output statements in C language 26 May 2013 | 02:16 pm
Input functions or streams are used are to read different type of data (Such as numeric, string or character) from the keyboard. You can use more than one types of input functions in the program.
Escalators - Components of Escalators, Design of Escalators 27 Mar 2012 | 09:36 pm
Escalator is a stairway whose steps move continuously on a circulating belt or simply they are the moving stairs. An electrical services engineer should also know something about escalators.
Escalators - Components of Escalators, Design of Escalators 27 Mar 2012 | 05:36 pm
Escalator is a stairway whose steps move continuously on a circulating belt or simply they are the moving stairs. An electrical services engineer should also know something about escalators.
